1// Copyright (C) 2018 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QCOLORTRANSFORM_H
5#define QCOLORTRANSFORM_H
6
7#include <QtGui/qtguiglobal.h>
8#include <QtGui/qrgb.h>
9#include <QtCore/qshareddata.h>
10
11QT_BEGIN_NAMESPACE
12
13class QColor;
14class QRgba64;
15class QColorSpacePrivate;
16class QColorTransformPrivate;
17class qfloat16;
18template<typename T>
19class QRgbaFloat;
20typedef QRgbaFloat<qfloat16> QRgbaFloat16;
21typedef QRgbaFloat<float> QRgbaFloat32;
22
23QT_DECLARE_QESDP_SPECIALIZATION_DTOR_WITH_EXPORT(QColorTransformPrivate, Q_GUI_EXPORT)
24
25class QColorTransform
26{
27public:
28 QColorTransform() noexcept = default;
29 Q_GUI_EXPORT ~QColorTransform();
30 Q_GUI_EXPORT QColorTransform(const QColorTransform &colorTransform) noexcept;
31 QColorTransform(QColorTransform &&colorTransform) = default;
32 QColorTransform &operator=(const QColorTransform &other) noexcept
33 {
34 QColorTransform{other}.swap(other&: *this);
35 return *this;
36 }
37 QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QColorTransform)
38
39 void swap(QColorTransform &other) noexcept { d.swap(other&: other.d); }
40 Q_GUI_EXPORT bool isIdentity() const noexcept;
41
42 Q_GUI_EXPORT QRgb map(QRgb argb) const;
43 Q_GUI_EXPORT QRgba64 map(QRgba64 rgba64) const;
44 Q_GUI_EXPORT QRgbaFloat16 map(QRgbaFloat16 rgbafp16) const;
45 Q_GUI_EXPORT QRgbaFloat32 map(QRgbaFloat32 rgbafp32) const;
46 Q_GUI_EXPORT QColor map(const QColor &color) const;
47
48 friend bool operator==(const QColorTransform &ct1, const QColorTransform &ct2)
49 { return ct1.compare(other: ct2); }
50 friend bool operator!=(const QColorTransform &ct1, const QColorTransform &ct2)
51 { return !ct1.compare(other: ct2); }
52
53private:
54 friend class QColorSpacePrivate;
55 friend class QColorTransformPrivate;
56 Q_GUI_EXPORT bool compare(const QColorTransform &other) const;
57
58 QExplicitlySharedDataPointer<QColorTransformPrivate> d;
59};
60
61Q_DECLARE_SHARED(QColorTransform)
62
63QT_END_NAMESPACE
64
65#endif // QCOLORTRANSFORM_H
66

source code of qtbase/src/gui/painting/qcolortransform.h